Perera Rushika M, Bardeesy Nabeel
Center for Cancer Research, Massachusetts General Hospital, Boston, Massachusetts. Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts. Department of Medicine, Harvard Medical School, Boston, Massachusetts.
Cancer Discov. 2015 Dec;5(12):1247-61. doi: 10.1158/2159-8290.CD-15-0671. Epub 2015 Nov 3.
How do cancer cells escape tightly controlled regulatory circuits that link their proliferation to extracellular nutrient cues? An emerging theme in cancer biology is the hijacking of normal stress response mechanisms to enable growth even when nutrients are limiting. Pancreatic ductal adenocarcinoma (PDA) is the quintessential aggressive malignancy that thrives in nutrient-poor, hypoxic environments. PDAs overcome these limitations through appropriation of unorthodox strategies for fuel source acquisition and utilization. In addition, the interplay between evolving PDA and whole-body metabolism contributes to disease pathogenesis. Deciphering how these pathways function and integrate with one another can reveal novel angles of therapeutic attack.
Alterations in tumor cell and systemic metabolism are central to the biology of pancreatic cancer. Further investigation of these processes will provide important insights into how these tumors develop and grow, and suggest new approaches for its detection, prevention, and treatment.
癌细胞是如何逃脱将其增殖与细胞外营养信号联系起来的严格调控回路的?癌症生物学中一个新兴的主题是劫持正常的应激反应机制,以便即使在营养有限的情况下也能实现生长。胰腺导管腺癌(PDA)是典型的侵袭性恶性肿瘤,在营养匮乏、缺氧的环境中茁壮成长。PDA通过采用非传统的燃料来源获取和利用策略来克服这些限制。此外,不断演变的PDA与全身代谢之间的相互作用有助于疾病的发病机制。弄清楚这些途径如何发挥作用以及它们之间如何相互整合,可以揭示新的治疗切入点。
肿瘤细胞和全身代谢的改变是胰腺癌生物学的核心。对这些过程的进一步研究将为这些肿瘤如何发展和生长提供重要见解,并为其检测、预防和治疗提出新方法。